export function formatBytes(bytes?: number): string {
  if(!bytes) return '-'
  if (bytes < 1024) {
    return `${bytes}B`;
  } else if (bytes < 1024 * 1024) {
    return `${(bytes / 1024).toFixed(2)}KB`;
  } else if (bytes < 1024 * 1024 * 1024) {
    return `${(bytes / (1024 * 1024)).toFixed(2)}MB`;
  } else {
    return `${(bytes / (1024 * 1024 * 1024)).toFixed(2)}GB`;
  }
}